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Nb, Ti和Cu对Fe--13Cr--2.5Mo合金阻尼与腐蚀性能的影响

胡小锋李秀艳张波戎利建李依依

金属学报

采用动态机械分析仪 (DMA) 和场发射扫描电镜 (FESEM) 研究了1.0\%Nb, 1.0%Ti和0.5%Cu (质量分数) 添加对Fe--13Cr--2.5Mo合金阻尼性能和腐蚀性能的影响. 结果表明: 添加Nb的合金中, 形成的大量(Nb, Mo)C相会阻碍磁畴壁的运动, 严重影响合金的阻...

关键词: Fe--Cr--Mo合金 , damping capacity , precipitation , Nb , Ti , pitting corrosion

Fe—Cr—Al—Si合金阻尼性能研究

王卫国 , 周邦新 , 郑忠民

金属学报

采用倒扭摆内耗测试仪研究了Si对Fe-Cr-Al减振合金阻尼性能的影响结果表明:在Fe—Cr—Al中添加少量Si(质量分数约为1%)或以Si代替Al并经1273K及以下温度退火后,合金的阻尼性能(对数衰减率)优于Fe—Cr—Al,但经1273K以上温度退火后,阻尼性能不及Fe—Cr—Al;以少量Si...

关键词: Fe—Cr—Al—Si合金 , damping capacity , internal friction , logarithmic decrement

INFLUENCE OF EXTRUSION ON DAMPING CAMCITIES OF AS-SPRAY DEPOSITED HIGH SILICON ALLOY ZA27 MODIFIED BY CERIUM

YC. Liu , G.C. Yang , YL. Lu and Z.G. Zhu (State Key Lab. of Solidification Processing , Northwestern Polytechnic University , Xi'an 710072 , China Laboratory of Internal Friction and Defects in Solids , Chinese Academy of Science , Hefei 230031 , China )

金属学报(英文版)

The effects of cerium modification and extrusion on the resultant damping behavior and mechanical properties of the as-sprayed high silicon alloy ZA27 were investigated in an thort to develop a new functional material possessing high damping capacity and good mechanical properties. The damping capac...

关键词: spray deposition , null , null , null

DAMPING CAPACITY OF HIGH SILICON ALLOY ZA27 PREPARED BY SPRM DEPOSITION

L.S. Yang , Y.C Liu , G.C Yang and Y.H Zhou(State Key Lab. of Solidification Processing , Northwestern Polytechnical University Xi'an 710072 , China)

金属学报(英文版)

The damping capacities (Q-1) of high silicon (6wt%) Zinc-27wt% Aluminia alloy prepared by spray deposition and conventional casting process were investigated. Three methods, free-decay, half-power band width and phase angles difference, have been ased to measure the damping capacities of the experim...

关键词: high damping alloy , null , null , null

INFLUENCE OF ZIRCONIUM ON MICROSTRUCTURE AND DAMPING CAPACITY OF ZA27 ALLOY

J.C. Wang , Z.M. Zhang , Y.L. Lu , G.S. Song and G.C. Yang (State Key Laboratory of Solidification Processing , Northwestern Polytechnical University , Xi'an 710072 , China)

金属学报(英文版)

To improve the damping capacities of metals and alloys, the microstructures and damping capacities of ZA27 alloy modified by Zr were studied, and the damping capacities at room tempemture were measured by using cantilever beam techniques. The experiment results show that Zr can refine the Al-rich pr...

关键词: ZA27 alloy , null , null , null

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